An error occurred while trying to deliver the mail to the following recipients:j.winters@skynet.be------=_Part_964049_141268383.1373948936703Content-Type: message/delivery-status; name="status.dat"Content-Transfer-Encoding: 7bitContent-Description: Delivery Status NotificationContent-Disposition: attachment; filename="status.dat"

Reporting-MTA: dns; amazonses.com

Remote-MTA: dns; amazonses.comFinal-Recipient: rfc822; j.winters@skynet.beAction: failedDiagnostic-Code: Amazon SES has suppressed sending to this address because it has a recent history of bouncing as an invalid address. For more information about how to remove an address from the suppression list, see the Amazon SES Developer Guide: http://docs.aws.amazon.com/ses/latest/DeveloperGuide/remove-from-suppressionlist.htmlStatus: 5.1.1

The file that you linked to is for a very old version of phplist that does not support advanced bounce handling.I don't understand how advanced bounce handling could have worked when you used release 2.10.17.